Structure and tribological properties of detonation coatings based on Cr3C2-NiCr after pulse-plasmaine treatment

被引：0

作者：

Rakhadilov, B. K. ^{[1
]}

Kakimzhanov, D. N. ^{[1
,2
]}

Tyurin, Yu. N. ^{[3
]}

Kolisnichenko, O. V. ^{[3
]}

Stepanova, O. A. ^{[4
]}

Seitkhanova, A. K. ^{[5
]}

机构：

[1] PlasmaScience LLP, Ust Kamenogorsk, Kazakhstan

[2] D Serikbayev East Kazakhstan Tech Univ, Ust Kamenogorsk, Kazakhstan

[3] EO Paton Elect Welding Inst, Kiev, Ukraine

[4] Shakarim Univ, Semey, Kazakhstan

[5] Pavlodar Pedag Univ, Pavlodar, Kazakhstan

来源：

BULLETIN OF THE UNIVERSITY OF KARAGANDA-PHYSICS | 2023年 / 3卷 / 111期

关键词：

ceramic metal coatings; detonation spraying; pulse-plasma treatment; coating modification; hardness; wear resistance; BEHAVIOR;

D O I：

10.31489/2023PH3/40-49

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cr3C2-NiCr metal-ceramic coatings have found wide application in the protection of machine parts and equipment operating under extreme conditions. In this study, Cr3C2-NiCr based detonation coatings which have been subjected to pulse-plasma treatment were studied. The study showed that IPO reduced the surface roughness by 48 %, reduced the coating friction coefficient by about 2 times, increased the hardness of the coatings from the original 12 GPa to 16.2 GPa and improved their wear resistance by 2 times compared to untreated coatings. Pulse-plasma treatment provides qualitative formation of coatings from metal-ceramic material of Cr3C2-NiCr system with complex heterogeneous structure-phase state, where the layered structure of areas of carbide particles and matrix metal in immediate proximity from "carbide-matrix" border with selections in matrix of dispersed secondary carbides is revealed.

引用

页码：40 / 49

页数：10

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